Monster Cable iCarPlay 300 Wireless FM Transmitter for iPod and iPhone 3 Digital, programmable memory presets for quick tuning to a clear frequency Bright Metallic Vapor Deposition LED display allows easy to read day or night Full FM tuning capability in the car for Clear Sound Anywhere USB Charging Port - Includes USB Cable and No Batteries or Power Cable Needed Compatible with iPod's and iPhone's with Dock Connection